Sash-lock.



No. 873,794 PATENTED DEG. 1'7, 1907. F. SALTBR.

SASH LOCK.

APPLICATION FILED MAY 24, 1907.

2 SHEETS-SHEET 1.

QXJE l'ueosea atfoznmg gzZ f No. 873,794. PATENTED DB0, 17, 1907.

- RSALTBB.

SASH LOCK.

APP ATION FILED MAY 24, 1967.

.19 2 SHEETS-SHEET 2.

Q/vi memes STATES PATENT @FFTCE.

FAYETTE sALTER, or ATLANTA, GEORGIA, ASSIGNOR or ONE-HALF T0 MOSESMILLER, or

ATLANTA, GEORGIA.

SASH-LOCK.

Specification of Letters Patent.

Patented Dec. 17', 1907.

Application filed May 24. 1907. Serial No. 375.490.

[0 all whom it may concern:

Be it known that I, FAYETTE SALTER, a citizen of the United States,residing at Atlanta, in the county of Fulton and-State of Georgia, haveinvented certain new and useful Improvements in Sash-Locks, of which thefollowing is a specification, reference being had therein to theaccompanying drawm My invention relates to improvements in lookingdevices for window sashes, window shutters, doors and the like.

The object of the invention is to provide a simple, practical andinexpensive sash look by means of which both the upper and lower windowsashes may be effectively secured in either their closed or partiallyopen position.

A further object of the invention is to provide 'a locking device ofthis character which will be entirely burglar proof and which can onlybe unlocked by the use of a key.

TVith the above and other objects in view the invention consists in thenovel construction and the combination of parts hereinafter describedand claimed and illustrated in the accompanying drawings, in whichFigure 1 is an elevation of one side of a window frame with parts brokenaway and in section to illustrate my improved sash lock; Fig. 2 is anenlarged horizontal section taken on the plane indicated by the line 22in Fig. 1 Fig. 3 is a vertical section on the plane indicated by theline 33 in Fig. 2; Figs. 4 and 5 are perspective views of the twosections of the bolt. casing; Fig. 6 is a similar view of the slidingbolt; Fig. 7 is a perspective of the bolt operating shaft and the lockfor the same; Fig. 8 is a longitudinal section through the lock casing;Fig. 9 is a perspective of the bolt operating and locking shaft; Fig. 10is a horizontal longitudinal section through the parts shown in Fig. 7Fig. 11. is a perspective view of the key; and Fig. 12 is a detailsection through the key.

Referring to the drawings, 1 denotes one side of a window frame, 2 and 3the upper and lower window sashes, 5 the parting strip between thesashes and 6, 7 the usual outer and inner guide strips.

My improved sash lock comprises a sliding bolt 8 arranged in the frame 1at its center and provided at its outer end with two integralprojections 9, 10 adapted to enter recesses 11, 12 formed respectivelyin the sashes 2, 3. TVhile any number of the keeper bent from singlepieces of heavy sheet metal and they each have abutting side flanges 15and at their outer end an apertured attaching flange 16 adapted toreceive a screw or other fastening which retains such section in therecess in the window frame. The bottom section 14 has a flange 17 at itsrear end which also closes the rear end of the top section 13 and servesas a stop for one end of a coil spring 18 which is provided for thepurpose of projecting the bolt. Said spring, as clearly shown in Fig. 2,has its opposite end arranged in a seat or recess 19 formed in the rearend of the bolt. In the bottom of the casing section 14 is formed anopening 20 to expose a rack 21 formed upon the bottom of the bolt andthe side flanges 15 of the section 14 are formed with apertured bearingears 22 arranged at points opposite the opening 20.

The bearings 22 are provided for the reception of a gear 23 formedintegral with and upon the inner end of a combined bolt operating andlocking shaft 24. This shaft extends at right angles to the bolt and itstoothed portion or gear 23 is adapted to mesh with the rack 21, as shownin Fig. 1. The forward or outer portion of the shaft is mounted for bothrotary and sliding movement in a tubular guiding and-locking casing 26which is set in a suitable recess formed in the front or outer portionof the frame 1, as clearly shown in Figs. 2"and 3.

The casing 26 is formed adjacent to its outer end, which projects beyondthe window frame, with an integral attaching flange 27 apertured toreceive screws or other fastenings by means of which the casing will beretained in the frame. The bore or opening in the casing 26 has a rearportion 28 corresponding in diameter to that of the shaft 24 which isuniform throughout, as seen in Fig. 9, and it has a front portion 29 ofgreater diameter so as to form an annular stop shoulder 30.

.sliding movement thereon.

Adjacent to the rear end of the casing 26 is a transverse slot 31extending approximately half way around the same and having at its endskeeper seats or notches 32, 33. In the front or enlarged portion 29 ofthe bore of the casing 26 is formed an annular groove or seat 34 withwhich communicates the rear ends of two longitudinally extending grooves35 arranged at diametrically opposite points and having their forwardends opening at the front of the casing. The shaft 24 has its front endcut away upon opposite sides to provide a rectangular tongue 36 andformed in it between its front end and its gear or pinion 23 are atransverse aperture 37 and a longitudinal slot 38. The aperture 37 isadapted to receive aremovable pin 39, one end of which projects into theslot 31 in the casing 26 and is adapted to be forced into engagementwith either of the seats or notches 32, 33 by a coil spring 40 whichsurrounds the shaft 24 and is confined between the stop shoulder 30 andthe inner end of a locking sleeve 4]. which surrounds the outer end ofthe shaft and has a limited This limited sliding movement of the sleeveis permitted by a cross pin 42 which projects through and slides in theslot 38 in the shaft and has its ends projecting through apertures inthe sleeve and into the grooves 35.

Upon reference to Fig. 10 it will be seen that the engagement of theends of the pin 42 with the grooves 35 will prevent said pin from beingturned in the casing 26 until it is moved rearwardly so that its endsenter the annular groove 34, and since said pin cannot rotate or turn,the shaft will also be prevented from turning. It is therefore necessaryto move the sleeve rearwardly before the shaft can be turned to causeits gear or pinion to actuate the bolt. It will also be noted that owingto the engagement of the pin 39 with one of the seats 32, 33, the shaftcannot be rotated until it is moved inwardly to bring the pin 39 intothe slot 31. For the purpose of successively unlocking the sleeve andshaft and then rotating the latter to operate the bolt, I employ the keyshown in Figs. 11 and 12. This key has an enlarged end or head providedwith a transverse notch 43 to receive the projection or tongue 36 on theend of the shaft and the walls of said notch or recess are recessed. toprovide two substantially semi-circular tongues or projections 44 whichreceive the end of the shaft between them and are adapted to engage theouter end of the sleeve 41 for the purpose of actuating the same.

To unlock the device it is necessary to insertthe key in the outer endof the lock casing 26 and first move it inwardly against the tension ofthe spring to successively move the locking sleeve and the shaftinwardly so that their locking pins 42, 39 may be rotated, and second,turn the key to rotate the shaft so that its gear or pinion will actuatethe bolt.

From the foregoing description taken in connection with the accompanyingdrawings it is thought that the construction, use and advantages of theinvention will be readily understood without a more extendedexplanation.

While I have shown and described my invention as a lock for windowsashes, it will be understood that it may be attached. to any stationaryframe or support and used for locking any movable part or element such,for instance, as a window shutter, a door or the like.

Having thus described my invention what I claim and desire to secure byLetters Patent is V 1. The combination with a frame and a movableelement having keeper seats, of a bolt arranged in the frame and adaptedto be engaged with the keeper seats in said elemerit, a shaftoperatively connected to said bolt, and a locking member for said shaftspring actuated to an operative position and adapted tobe retracted toan inoperative position by a key, substantially as described.

2. The combination with a frame and a movable element having keeperseats, of a bolt arranged in the frame and adapted to be engaged withsaid keeper seats, a shaft operatively connected to said bolt, a casingfor the bolt, a locking sleeve for the shaft arranged upon the latterand within the casing, a spring for actuating said sleeve to anoperative position, the latter being adapted to be retracted to aninoperative position by a key, substantially as described.

3. The combination with a frame and a movable element having keeperseats, of a bolt slidably mounted in the frame and adapted to beprojected into the keeper seat in said element, a rack upon said bolt, atubular casing arranged in said frame and having its bore or openingadjacent to its inner end of'reduced diameter to provide a shoulder, theinner end of said casing being formed with an annular groove andlongitudinal grooves communicating with the annular one, a shaftarrangedin said casing for rotary and sliding movement and having a longitudinalslot, a pinion upon the inner end of said shaft to mesh with said rack,a pin projecting from the shaft and into said slot in the easing, andadapted to engage said seats, a sleeve arranged upon the outer portionof the shaft, a transverse pin projecting through the slot in the shaftand through the sleeve and adapted to have its ends enter said groovesin the casing, and a coil spring surrounding the shaft and confinedbetween the inner end of the sleeve and said shoulder in the casing,substantially as described.

4. The combination with a frame and a movable element having keeperseats, of a bolt slidably mounted in the frame and adapted to beprojected into said keeper seats, a tubular casing in the frame, a shaftadapted to actuate said bolt and arranged in said casing for rotary andsliding movement, a slot and pin connection between said bolt and saidcasing, a sleeve having a sliding movement on the shaft, a pin andgroove connection between said sleeve and said casing, and a springarranged above the casing for actuating the sleeve and the shaft in onedirection.

5. In a locking device of the character described, the combination of abolt provided with a rack, a casing to receive the bolt and formed oftwo separable half sections, the upper one having a top, depending sideflanges and an apertured attaching ear at one end, and the lower sectionhaving a bottom formed with an opening to expose said rack, side flangesformed with alined bearing lugs and a shaft journaled in said lugs andcarrying a pinion to mesh with said rack.

6. In a locking device of the character de scribed, the combination of abolt, a shaft to actuate said bolt, a casing in which said shaft isrotatably and slidably mounted, a slot and pin connection between saidbolt and said casing, a sleeve having a limited sliding movement on theshaft, a pin and groove connection between said sleeve and the casingand a spring arranged within the casing for actuating. the sleeve andthe shaft in one direction.

- 7. In a locking device of the character described, the combination ofa bolt, a shaft to actuate said bolt, a casing in which said shaft isrotatably and slidably mounted, said casing having the inner portion ofits bore of less diameter than its outer portion, said casing alsohaving adjacent to its inner end a transverse slot with seats at theends of the latter, the bore of the casing adjacent to its outer endbeing formed with an annular groove and with opposing longitudinalgrooves communicating with the annular one, a pin projecting from theshaft to enter said slot and seats in the casing, a sleeve to surroundand slide upon the shaft, a transverse pin passing through the sleeveand the slot in the shaft and having its ends adapted to enter thegrooves in the casing and a coil spring surrounding the shaft andconfined between the inner end of the sleeve and the shoulder in thecasing, substantially as described.

In testimony whereof I hereunto affiX my signature in presence of twowitnesses.

FAYETTE SALTER.

WVitnesses:

J. C. ADERHOLD, Jr., V. E. STowE.

